Capitolo 68
you pigment cells above of the others, coming green to the top on a green
you appear on the surface, red on a red, and brown or grey where the circumstances
demand them. Some son-in-laws of fish likewise alter their colour to be all right
their background forcing in before or turns back certain special
pigment-cells known as chromatophores which the various combinations
almost produces to the wish some in demand tone or shade. Almost all repent ones
and amphibians possess the power to change their color in agreement
with their environment in a very tall degree; and among certain
tree-toads and frogs it is difficult to say what is the normal one
colouring, as they indefinitely varies from fanatical and dove-colour to
chocolate-brown, colors of rose and equal lilac.
But of all the reptiles of particoloured the chameleon is of big long the best
known, and on the whole one the more extraordinary for his/her inconstancy of
coloration. As a lacertine Vicar of Braying, him various incontinently from
cleans to color blue, and from blue back to orange again, under stress of
circumstances. The mechanism of this curious change is extremely
complex. The small corpuscles of different pigments are sometimes hidden in
the depths of the skin of the chameleon, and sometimes shed out on his
you appear on the surface in a net that laces of makes brown or you redden. Besides
these first colouring imports however also him, the animal possesses a normal
I pigment yellow, and a bluish layer in the skin as which the acts
glass of iridium so widely assumed by the Dr. Salviati, being seen how
straw-coloured with an issued light, but supposing a shade of weak lilac
against an absorbent and opaque surface. While the chameleon sleeping
it almost becomes white in the shade, but if fallen to read on him him slowly
it darkens from an automatic trial. The movements of the corpuscles are
governed by opposite nerves and muscles that one cause them to bury
them under the true skin, or to form a ground and opaque back part the
blue layer, or to scatter out in a mass that branches on the external surface,